user manual

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Connector Pin Assignments
4
DRAM Mezzanine Connector J7
A 190-pin connector (J7 on the MVME2603/2604 base board) supplies the
interface between the processor bus (MPU bus) and the RAM200 DRAM
mezzanine. The pin assignments are listed in the following table.
Table 4-7. DRAM Mezzanine Connector
1A_RAS∗ A_CAS∗ 2
3B_RAS
∗ B_CAS∗ 4
5C_RAS
∗ C_CAS∗ 6
7D_RAS
∗ D_CAS∗ 8
9OEL
∗ OEU∗ 10
11 WEL
∗ WEU∗ 12
13 ROMACS
∗ ROMBCS∗ 14
15 RAMAEN RAMBEN 16
17 RAMCEN EN5VPWR 18
19 RAL0 GND RAL1 20
21 RAL2 RAL3 22
23 RAL4 RAL5 24
25 RAL6 RAL7 26
27 RAL8 RAL9 28
29 RAL10 RAL11 30
31 RAL12 RAU0 32
33 RAU1 RAU2 34
35 RAU3 RAU4 36
37 RAU5 RAU6 38
39 RAU7 RAU8 40
41 RAU9 RAU10 42
43 RAU11 RAU12 44
45 RDL0 RDL1 46
47 RDL2 RDL3 48
49 RDL4 RDL5 50